livepatch/ppc32: Support livepatch without ftrace

euler inclusion
category: feature
bugzilla: 51924
CVE: NA

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support livepatch without ftrace for powerpc

supported now:
	livepatch relocation when init_patch after load_module;
	instruction patched when enable;
	activeness function check;
	enforcing the patch stacking principle;

unsupport now:(will fix it feature)
	long jump (both livepatch relocation and insn patched)
	module plts request by livepatch-relocation

Signed-off-by: Cheng Jian <cj.chengjian@huawei.com>
Signed-off-by: Li Bin <huawei.libin@huawei.com>
Tested-by: Wang Feng <wangfeng59@huawei.com>
Reviewed-by: Xie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: zhangyi (F) <yi.zhang@huawei.com>

Signed-off-by: Dong Kai <dongkai11@huawei.com>

Signed-off-by: Ye Weihua <yeweihua4@huawei.com>
Reviewed-by: Kuohai Xu <xukuohai@huawei.com>
Reviewed-by: Yang Jihong <yangjihong1@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>